SplFileObject::fscanf
Parses input from file according to a format
Description
public arrayintnull SplFileObject::fscanf(string $format
, mixed &...$vars
)
Any whitespace in the format
string matches any whitespace in the line from the file.
This means that even a tab (\t
) in the format string can match a single space character in the input stream.
Parameters
-
format
-
The interpreted format for string
, which is
described in the documentation for sprintf with
following differences:
-
Function is not locale-aware.
-
F
, g
, G
and
b
are not supported.
-
D
stands for decimal number.
-
i
stands for integer with base detection.
-
n
stands for number of characters processed so far.
-
s
stops reading at any whitespace character.
-
*
instead of argnum$
suppresses
the assignment of this conversion specification.
-
vars
-
The optional assigned values.
Return Values
If only one parameter is passed to this method, the values parsed will be
returned as an array. Otherwise, if optional parameters are passed, the
function will return the number of assigned values. The optional
parameters must be passed by reference.
Examples
Example #1 SplFileObject::fscanf example
<?php
$file = new SplFileObject("misc.txt");
while ($userinfo = $file->fscanf("%s %s %s")) {
list ($name, $profession, $countrycode) = $userinfo;
// Do something with $name $profession $countrycode
}
?>
javier argonaut pe
hiroshi sculptor jp
robert slacker us
luigi florist it
See Also
- fscanf
- sscanf
- printf
- sprintf